Product InformationWinchester Super-X Silvertip offers a unique combination of power, precision, reliable functioning and on-target performance via a specially engineered jacketed bullet. Originally developed for Law Enforcement as a replacement to traditional hollow points, this bullet delivers penetration and rapid energy release with virtually no weight loss or bullet fragmentation. Super-X jacketed hollow points have notched jackets to ensure positive expansion. This ammunition is new production, non-corrosive, in boxer primed, reloadable brass cases. Technical InformationCaliber: 41 Remington MagnumBullet Weight: 175 GrainsBullet Style: Silvertip Hollow PointBallistics Information: Muzzle Velocity: 1250 fpsMuzzle Energy: 607 ft. lbs.